Engineering Insights
From the Field

Practical lessons from building AI-powered software, SaaS products, and automation systems in production — not in theory.

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AI Engineering 8 minJune 2025

AI in Production vs. AI in a Demo: What Nobody Tells You

Building an AI feature that works in a demo is straightforward. Making it reliable in production — under real load, with real data, for real users — is an entirely different engineering challenge. Here's what we've learned shipping AI to production across five projects.

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Process 6 minMay 2025

How We Deliver a Full SaaS Platform in 8 Weeks Without Cutting Corners

Everyone says it can't be done. Here's our exact process — from discovery to deployed product — that allows us to deliver working SaaS platforms faster than most teams complete their initial architecture phase.

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AI Models 10 minMay 2025

Gemini 2.5 vs GPT-4o vs Claude 3.5: Which AI Model for Which Use Case?

After integrating all three model families across production products, here's an honest comparison based on real performance data — cost, latency, accuracy, and which use cases each model genuinely dominates.

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Product Engineering 7 minApril 2025

The Technology Behind NFC Business Cards: How Sigma Cards Works Under the Hood

A deep-dive into the technical architecture behind Sigma Cards — NFC encoding, profile update mechanisms, analytics infrastructure, and the architectural decisions we made for commercial-scale deployment.

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AI Engineering 9 minApril 2025

RAG Systems Explained: Making AI Reason Over Your Private Documents

Retrieval-augmented generation is one of the most valuable patterns in enterprise AI — and one of the most misunderstood. Here's a practical explanation of how we architect and deploy RAG systems for production use.

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Mobile Development 6 minMarch 2025

Building for Rural India: UX Lessons from FarmGo

Designing a mobile app for farmers with variable connectivity and entry-level devices forced us to rethink every default assumption about UX. Here are the design and engineering lessons from building FarmGo.

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